![The demon's apprentice (billdip) by Heather_Wittbane](https://img.wattpad.com/cover/368027640-512-k380004.jpg)
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The demon's apprentice (billdip)by Heather_Wittbane
In this story Dipper makes deal with Bill to save everyone but doesn't realise his own condition.
Any of these characters aren't mine.
Ships : billdip
This is not a s...